64 lines
2.5 KiB
Python
64 lines
2.5 KiB
Python
from optparse import make_option
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from django.conf import settings
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from django.core.management.base import AppCommand, CommandError
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from django.core.management.color import no_style
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from django.core.management.sql import sql_reset
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from django.db import connections, transaction, DEFAULT_DB_ALIAS
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class Command(AppCommand):
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option_list = AppCommand.option_list + (
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make_option('--noinput', action='store_false', dest='interactive', default=True,
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help='Tells Django to NOT prompt the user for input of any kind.'),
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make_option('--database', action='store', dest='database',
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default=DEFAULT_DB_ALIAS, help='Nominates a database to reset. '
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'Defaults to the "default" database.'),
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)
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help = "Executes ``sqlreset`` for the given app(s) in the current database."
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args = '[appname ...]'
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output_transaction = True
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def handle_app(self, app, **options):
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# This command breaks a lot and should be deprecated
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import warnings
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warnings.warn(
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'This command has been deprecated. The command ``flush`` can be used to delete everything. You can also use ALTER TABLE or DROP TABLE statements manually.',
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DeprecationWarning
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)
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using = options.get('database', DEFAULT_DB_ALIAS)
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connection = connections[using]
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app_name = app.__name__.split('.')[-2]
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self.style = no_style()
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sql_list = sql_reset(app, self.style, connection)
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if options.get('interactive'):
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confirm = raw_input("""
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You have requested a database reset.
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This will IRREVERSIBLY DESTROY any data for
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the "%s" application in the database "%s".
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Are you sure you want to do this?
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Type 'yes' to continue, or 'no' to cancel: """ % (app_name, connection.settings_dict['NAME']))
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else:
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confirm = 'yes'
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if confirm == 'yes':
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try:
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cursor = connection.cursor()
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for sql in sql_list:
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cursor.execute(sql)
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except Exception, e:
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transaction.rollback_unless_managed()
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raise CommandError("""Error: %s couldn't be reset. Possible reasons:
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* The database isn't running or isn't configured correctly.
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* At least one of the database tables doesn't exist.
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* The SQL was invalid.
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Hint: Look at the output of 'django-admin.py sqlreset %s'. That's the SQL this command wasn't able to run.
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The full error: %s""" % (app_name, app_name, e))
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transaction.commit_unless_managed()
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else:
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print "Reset cancelled."
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